module boundary
use vast_kind_param, only:  double

logical :: periodicy,periodicz
integer :: bcMx,bcMy,bcMz
! values
! 0= dirichelet
! 1= neumann
real(double) :: wkb, wkt
real(double) :: phibcl, phibcr, phibce, phibcf
logical :: bc_vtoctov

end module boundary
